Campana, the city of bells, has fallen! As nations buckle to the Empire one after another, Mahmut races to complete the Anti-Imperial alliance. His next stop: the heavenly sanctuary of Cielo, built atop a perilous peak! There, the Alliance finally makes their stand when the Imperial Army and Halil Pasha's expeditionary force collide! Harboring tens of thousands of refugees within the citadel, how will Mahmut pull Cielo back from the edge?!